Merge pull request #2 from REDxEYE/main

Fix BC6H_SF decoding error
python-pillow · Jul 18, 2022 · efe48ac · efe48ac
2 parents e57f520 + 1aa34db
commit efe48ac
Showing 1 changed file with 0 additions and 7 deletions.
diff --git a/src/libImaging/BcnDecode.c b/src/libImaging/BcnDecode.c
@@ -767,13 +767,6 @@ decode_bc6_block(rgba *col, const UINT8 *src, int sign) {
             endpoints[i + 1] = (endpoints[i + 1] + endpoints[1]) & mask;
             endpoints[i + 2] = (endpoints[i + 2] + endpoints[2]) & mask;
         }
-        if (sign) {
-            for (i = 3; i < numep; i += 3) {
-                bc6_sign_extend(&endpoints[i], info->rb);
-                bc6_sign_extend(&endpoints[i + 1], info->gb);
-                bc6_sign_extend(&endpoints[i + 2], info->bb);
-            }
-        }
     }
     for (i = 0; i < numep; i++) {
         ueps[i] = bc6_unquantize(endpoints[i], info->epb, sign);